Hanachi's Willow layout, recently featured on his Ergotonic F-24, tries to project the finger positions of a "tented hand" onto a flat surface – resulting in characteristically curved columns. Here is Hanachi's original write-up on the concept.
And the ambidextrous numpad by Cerbekos could be seen on the Tenalice Ambidextrous. This numpad is positioned symmetrically in the center, in 45°, so you can reach it with the same effort regardless of your dominant hand.
Now, thanks to Daraku-Neko, you can have the best of both worlds.
Like many Japanese designs, the Yamada Willow is closed-source and is available as a kit at booth.pm.
Mike Hölscher aka dynam1keNL presents you the unibody split mikefive, this work-in-progress super-thin keyboard built around Kailh's PG1316S notebook switches.
This is a review of the Planeta V2 which is an updated version of Ergohaven's cool monoblock split – now with display, indicator LEDs and an improved case.